Etymology and distribution of 若島.

The Japanese surnames etymology dictionary.
https://play.google.com/store/apps/details?id=info.jigensha.jcedfreeGoogle Play で手に入れよう https://apps.apple.com/us/app/id1471109324
↑オフライン検索できるアプリもどうぞ
在日通名大全

日本初、在日通名の研究書「在日通名大全」発売中!
ネットの電話帳 住宅地図 マッポン!

「若島」さんの名字の分布数。

カンマ区切りで複数の名字を指定できます。

Etymology of 若島

Distribution of 若島
Ranking
1 Toyama-ken(About 400)
2 Toukyou-to(About 130)
3 Hokkaidou(About 100)
4 Ishikawa-ken(About 90)
5 Kanagawa-ken(About 70)
5 Hiroshima-ken(About 70)
7 Saitama-ken(About 60)
8 Oosaka-fu(About 50)
9 Fukuoka-ken(About 40)
9 Fukui-ken(About 40)
11 Gunma-ken(About 40)
12 Tochigi-ken(About 30)
12 Hyougo-ken(About 30)
14 Aichi-ken(About 30)
15 Chiba-ken(About 20)
16 Fukushima-ken(About 20)
16 Niigata-ken(About 20)
16 Ehime-ken(About 20)
16 Kyouto-fu(About 20)
20 Ibaraki-ken(About 10)
20 Shiga-ken(About 10)
20 Gifu-ken(About 10)
20 Yamagata-ken(About 10)
20 Mie-ken(About 10)
25 Nagano-ken(About 10)
25 Nagasaki-ken(About 10)
25 Kumamoto-ken(About 10)
25 Nara-ken(About 10)
29 Kagoshima-ken(Very rare)
29 Tottori-ken(Very rare)
29 Shizuoka-ken(Very rare)
29 Akita-ken(Very rare)
29 Okayama-ken(Very rare)